23153155 has 8 divisors (see below), whose sum is σ = 27809712. Its totient is φ = 18505248.

The previous prime is 23153149. The next prime is 23153159. The reversal of 23153155 is 55135132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23153155 - 2¹³ = 23144963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23153159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8692 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (3476214).

Almost surely, 2^23153155 is an apocalyptic number.

23153155 is a deficient number, since it is larger than the sum of its proper divisors (4656557).

23153155 is a wasteful number, since it uses less digits than its factorization.

23153155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its digits is 2250, while the sum is 25.

The square root of 23153155 is about 4811.7725424213. The cubic root of 23153155 is about 285.0165374625.

Multiplying 23153155 by its sum of digits (25), we get a palindrome (578828875).

Adding to 23153155 its reverse (55135132), we get a palindrome (78288287).

The spelling of 23153155 in words is "twenty-three million, one hundred fifty-three thousand, one hundred fifty-five".